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Finding the Fourth Proportional to 52,218.50, 72,061.53 and 29,862.50

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Solution

The fourth proportional to 52,218.50, 72,061.53 and 29,862.50 is: 41,210.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,218.50 : 72,061.53 = 29,862.50 : x
  2. Step 2: Convert to fraction form
    52,218.50/72,061.53 = 29,862.50/x
  3. Step 3: Cross multiply
    52,218.50x = 72,061.53 × 29,862.50
  4. Step 4: Simplify right side
    52,218.50x = 2,151,937,439.63
  5. Step 5: Solve for x
    x = 2,151,937,439.63/52,218.50
  6. Step 6: Final answer
    x = 41,210.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.